1. 1/8
2. ¼
3. ½
4. 1/16
¼
1. Anaphase-II
2. Prophase-II
3. Metaphase-I
4. Metaphase-II
Metaphase-I
1. A test cross of a homozygous recessive mouse with a mouse of unknown genotype
2. A cross of F1 mice to look for a 1:2:1 ratio in the offspring
3. A reciprocals cross in which the sex of the mice of each coat colour is reversed
4. A cross of two true-breeding mice of different colour to look for an intermediate phenotype in the F1
A reciprocals cross in which the sex of the mice of each coat colour is reversed
1. Tay-Sachs disease
2. Cancer
3. Diabetes
4. Alzheimer’s disease
Tay-Sachs disease
1. ¾
2. 3/16
3. ¼
4. 9/16
9/16
1. 1-A,2-B,3-C.4-D
2. 4-A,3-B,2-C,1-D
3. 2-A,1-B,4-C,3-D
4. 2-A,1-B,3-C,4-B
2-A,1-B,4-C,3-D
1. Polydactyly-codominance
2. Shull-Heterosis
3. Straight hairs-Dominant
4. Brown eye colour-Recessive
Shull-Heterosis
1. The parents are homozygous recessive
2. The traits is Y-linked
3. The parents are homozygous dominant
4. The parents are heterozygous
The parents are heterozygous
1. Production of small organic molecules
2. Production of liposomes
3. Replication of oligopeptides
4. Origin of DNA-protein interactions
Origin of DNA-protein interactions
1. Heterotroph
2. Single-celled
3. Genome composed of RNA
4. Prokaryotic
Genome composed of RNA